#[cfg(test)]
mod tests {
  use crate::models::Route;
  use anyhow::anyhow;
  use pretty_assertions::{assert_eq, assert_str_eq};
  use rstest::rstest;
  use serde::de::value::StringDeserializer;
  use serde::de::IntoDeserializer;
  use tokio::sync::mpsc;

  use crate::app::context_clues::{build_context_clue_string, SERVARR_CONTEXT_CLUES};
  use crate::app::{
    deserialize_env_var, interpolate_env_vars, App, AppConfig, Data, ServarrConfig,
  };
  use crate::models::servarr_data::radarr::radarr_data::{ActiveRadarrBlock, RadarrData};
  use crate::models::servarr_data::sonarr::sonarr_data::{ActiveSonarrBlock, SonarrData};
  use crate::models::{HorizontallyScrollableText, TabRoute};
  use crate::network::radarr_network::RadarrEvent;
  use crate::network::NetworkEvent;
  use tokio_util::sync::CancellationToken;

  #[rstest]
  fn test_app_new(
    #[values(ActiveRadarrBlock::default(), ActiveSonarrBlock::default())] servarr: impl Into<Route>
      + Copy,
  ) {
    let (title, config) = match servarr.into() {
      Route::Radarr(_, _) => (
        "Radarr",
        AppConfig {
          radarr: Some(ServarrConfig::default()),
          ..AppConfig::default()
        },
      ),
      Route::Sonarr(_, _) => (
        "Sonarr",
        AppConfig {
          sonarr: Some(ServarrConfig::default()),
          ..AppConfig::default()
        },
      ),
      _ => unreachable!(),
    };
    let tab_route = |title: &'static str| TabRoute {
      title,
      route: servarr.into(),
      help: format!(
        "<↑↓> scroll | ←→ change tab | {}  ",
        build_context_clue_string(&SERVARR_CONTEXT_CLUES)
      ),
      contextual_help: None,
    };

    let app = App::new(
      mpsc::channel::<NetworkEvent>(500).0,
      config,
      CancellationToken::new(),
    );

    assert!(app.navigation_stack.is_empty());
    assert_eq!(app.get_current_route(), servarr.into());
    assert!(app.network_tx.is_some());
    assert!(!app.cancellation_token.is_cancelled());
    assert!(app.is_first_render);
    assert_eq!(app.error, HorizontallyScrollableText::default());
    assert_eq!(app.server_tabs.index, 0);
    assert_eq!(app.server_tabs.tabs, vec![tab_route(title)]);
    assert_eq!(app.tick_until_poll, 400);
    assert_eq!(app.ticks_until_scroll, 4);
    assert_eq!(app.tick_count, 0);
    assert!(!app.is_loading);
    assert!(!app.is_routing);
    assert!(!app.should_refresh);
    assert!(!app.should_ignore_quit_key);
    assert!(!app.cli_mode);
  }

  #[test]
  fn test_app_default() {
    let app = App::default();

    assert!(app.navigation_stack.is_empty());
    assert!(app.network_tx.is_none());
    assert!(!app.cancellation_token.is_cancelled());
    assert!(app.is_first_render);
    assert_eq!(app.error, HorizontallyScrollableText::default());
    assert_eq!(app.server_tabs.index, 0);
    assert_eq!(
      app.server_tabs.tabs,
      vec![
        TabRoute {
          title: "Radarr",
          route: ActiveRadarrBlock::Movies.into(),
          help: format!(
            "<↑↓> scroll | ←→ change tab | {}  ",
            build_context_clue_string(&SERVARR_CONTEXT_CLUES)
          ),
          contextual_help: None,
        },
        TabRoute {
          title: "Sonarr",
          route: ActiveSonarrBlock::Series.into(),
          help: format!(
            "<↑↓> scroll | ←→ change tab | {}  ",
            build_context_clue_string(&SERVARR_CONTEXT_CLUES)
          ),
          contextual_help: None,
        },
      ]
    );
    assert_eq!(app.tick_until_poll, 400);
    assert_eq!(app.ticks_until_scroll, 4);
    assert_eq!(app.tick_count, 0);
    assert!(!app.is_loading);
    assert!(!app.is_routing);
    assert!(!app.should_refresh);
    assert!(!app.should_ignore_quit_key);
    assert!(!app.cli_mode);
  }

  #[test]
  fn test_navigation_stack_methods() {
    let mut app = App::default();
    let default_route = app.server_tabs.tabs.first().unwrap().route;

    assert_eq!(app.get_current_route(), default_route);

    app.push_navigation_stack(ActiveRadarrBlock::Downloads.into());

    assert_eq!(app.get_current_route(), ActiveRadarrBlock::Downloads.into());
    assert!(app.is_routing);

    app.is_routing = false;
    app.pop_and_push_navigation_stack(ActiveRadarrBlock::Collections.into());

    assert_eq!(
      app.get_current_route(),
      ActiveRadarrBlock::Collections.into()
    );
    assert!(app.is_routing);

    app.is_routing = false;
    app.pop_navigation_stack();

    assert_eq!(app.get_current_route(), default_route);
    assert!(app.is_routing);

    app.is_routing = false;
    app.pop_navigation_stack();

    assert_eq!(app.get_current_route(), default_route);
    assert!(app.is_routing);
  }

  #[test]
  fn test_reset_cancellation_token() {
    let mut app = App {
      is_loading: true,
      should_refresh: false,
      ..App::default()
    };
    app.cancellation_token.cancel();

    assert!(app.cancellation_token.is_cancelled());

    let new_token = app.reset_cancellation_token();

    assert!(!app.cancellation_token.is_cancelled());
    assert!(!new_token.is_cancelled());
    assert!(!app.is_loading);
    assert!(app.should_refresh);
  }

  #[test]
  fn test_reset_tick_count() {
    let mut app = App {
      tick_count: 2,
      ..App::default()
    };

    app.reset_tick_count();

    assert_eq!(app.tick_count, 0);
  }

  #[test]
  fn test_reset() {
    let radarr_data = RadarrData {
      version: "test".into(),
      ..RadarrData::default()
    };
    let sonarr_data = SonarrData {
      version: "test".into(),
      ..SonarrData::default()
    };
    let data = Data {
      radarr_data,
      sonarr_data,
    };
    let mut app = App {
      tick_count: 2,
      error: "Test error".to_owned().into(),
      is_first_render: false,
      data,
      ..App::default()
    };

    app.reset();

    assert_eq!(app.tick_count, 0);
    assert_eq!(app.error, HorizontallyScrollableText::default());
    assert!(app.is_first_render);
    assert!(app.data.radarr_data.version.is_empty());
    assert!(app.data.sonarr_data.version.is_empty());
  }

  #[test]
  fn test_handle_error() {
    let mut app = App::default();
    let test_string = "Testing";

    app.handle_error(anyhow!(test_string));

    assert_eq!(app.error.text, test_string);

    app.handle_error(anyhow!("Testing a different error"));

    assert_eq!(app.error.text, test_string);
  }

  #[tokio::test]
  async fn test_dispatch_network_event() {
    let (sync_network_tx, mut sync_network_rx) = mpsc::channel::<NetworkEvent>(500);

    let mut app = App {
      tick_until_poll: 2,
      network_tx: Some(sync_network_tx),
      ..App::default()
    };

    assert_eq!(app.tick_count, 0);

    app
      .dispatch_network_event(RadarrEvent::GetStatus.into())
      .await;

    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetStatus.into()
    );
    assert_eq!(app.tick_count, 0);
  }

  #[tokio::test]
  async fn test_on_tick_first_render() {
    let (sync_network_tx, mut sync_network_rx) = mpsc::channel::<NetworkEvent>(500);

    let mut app = App {
      tick_until_poll: 2,
      network_tx: Some(sync_network_tx),
      is_first_render: true,
      ..App::default()
    };

    assert_eq!(app.tick_count, 0);

    app.on_tick().await;

    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetQualityProfiles.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetTags.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetRootFolders.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetDownloads.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetDiskSpace.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetStatus.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetQualityProfiles.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetTags.into()
    );
    assert_eq!(
      sync_network_rx.recv().await.unwrap(),
      RadarrEvent::GetMovies.into()
    );
    assert!(!app.is_routing);
    assert!(!app.should_refresh);
    assert_eq!(app.tick_count, 1);
  }

  #[tokio::test]
  async fn test_on_tick_routing() {
    let mut app = App {
      tick_until_poll: 2,
      tick_count: 2,
      is_routing: true,
      ..App::default()
    };

    app.on_tick().await;
    assert!(!app.is_routing);
  }

  #[tokio::test]
  async fn test_on_tick_should_refresh() {
    let mut app = App {
      tick_until_poll: 2,
      tick_count: 2,
      should_refresh: true,
      ..App::default()
    };

    app.on_tick().await;
    assert!(!app.should_refresh);
  }

  #[test]
  fn test_app_config_default() {
    let app_config = AppConfig::default();

    assert!(app_config.radarr.is_none());
    assert!(app_config.sonarr.is_none());
  }

  #[test]
  fn test_servarr_config_default() {
    let servarr_config = ServarrConfig::default();

    assert_eq!(servarr_config.host, Some("localhost".to_string()));
    assert_eq!(servarr_config.port, None);
    assert_eq!(servarr_config.uri, None);
    assert!(servarr_config.api_token.is_empty());
    assert_eq!(servarr_config.ssl_cert_path, None);
  }

  #[test]
  fn test_deserialize_env_var() {
    std::env::set_var("TEST_VAR_DESERIALIZE", "testing");
    let deserializer: StringDeserializer<serde_yaml::Error> =
      "${TEST_VAR_DESERIALIZE}".to_owned().into_deserializer();

    let env_var: Result<String, serde_yaml::Error> = deserialize_env_var(deserializer);

    assert!(env_var.is_ok());
    assert_str_eq!(env_var.unwrap(), "testing");
    std::env::remove_var("TEST_VAR_DESERIALIZE");
  }

  #[test]
  fn test_interpolate_env_vars() {
    std::env::set_var("TEST_VAR_INTERPOLATION", "testing");

    let var = interpolate_env_vars("${TEST_VAR_INTERPOLATION}");

    assert_str_eq!(var, "testing");
    std::env::remove_var("TEST_VAR_INTERPOLATION");
  }

  #[test]
  fn test_interpolate_env_vars_defaults_to_original_string_if_not_in_yaml_interpolation_format() {
    let var = interpolate_env_vars("TEST_VAR_INTERPOLATION");

    assert_str_eq!(var, "TEST_VAR_INTERPOLATION");
  }

  #[test]
  fn test_interpolate_env_vars_scrubs_all_unnecessary_characters() {
    std::env::set_var(
      "TEST_VAR_INTERPOLATION_UNNECESSARY_CHARACTERS",
      r#"""
	        `"'https://dontdo:this@testing.com/query?test=%20query#results'"` {([\|$!])}
      """#,
    );

    let var = interpolate_env_vars("${TEST_VAR_INTERPOLATION_UNNECESSARY_CHARACTERS}");

    assert_str_eq!(
      var,
      "https://dontdo:this@testing.com/query?test=%20query#results"
    );
    std::env::remove_var("TEST_VAR_INTERPOLATION_UNNECESSARY_CHARACTERS");
  }

  #[test]
  fn test_interpolate_env_vars_scrubs_all_unnecessary_characters_from_non_environment_variable() {
    let var = interpolate_env_vars("https://dontdo:this@testing.com/query?test=%20query#results");

    assert_str_eq!(
      var,
      "https://dontdo:this@testing.com/query?test=%20query#results"
    );
  }

  fn test_servarr_config_redacted_debug() {
    let host = "localhost".to_owned();
    let port = 1234;
    let uri = "http://localhost:1234".to_owned();
    let api_token = "thisisatest".to_owned();
    let ssl_cert_path = "/some/path".to_owned();
    let expected_str = format!("ServarrConfig {{ host: Some(\"{}\"), port: Some({}), uri: Some(\"{}\"), api_token: \"***********\", ssl_cert_path: Some(\"{}\") }}",
    host, port, uri, ssl_cert_path);
    let servarr_config = ServarrConfig {
      host: Some(host),
      port: Some(port),
      uri: Some(uri),
      api_token,
      ssl_cert_path: Some(ssl_cert_path),
    };

    assert_str_eq!(format!("{servarr_config:?}"), expected_str);
  }
}